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NavSource Online: Mine Warfare Vessel Photo Archive

Ortolan (ASR 5)



Call sign:
Nan - Item - King - Charlie

ex-AM-45
ex-Minesweeper No. 45


Lapwing Class Minesweeper: Laid down 9 July 1918 by the Staten Island Shipbuilding Co., Staten Island, NY; Launched 30 January 1919; Commissioned USS Ortolan, Minesweeper No. 45, 17 September 1919; Classified AM-45, 17 July 1920; Decommissioned, 3 May 1922 at Mare Island Navy Yard, Vallejo, CA; Recommissioned, 11 July 1922; Reclassified as a Submarine Rescue Ship, ASR-5, 12 September 1929; Decommissioned 18 March 1947 at San Francisco, CA; Struck from the Navy Register 10 June 1947; Transferred to the Maritime Commission for disposal and sold 20 August 1947 into merchantile service to Bay Cities Transportation Co. of San Francisco, CA. Fate unknown.

Specifications: Displacement 1,400 t.; Length 188' 7"; Beam 36' 8"; Draft 13' 2"; Speed 14 kts; Complement 91; Armament two 3"/50 dual purpose mounts; Propulsion two 200psi Babcock and Wilcox saturated steam boilers, Harlan and Hollingsworth Corp. 1,400shp triple expansion vertical engine, one shaft.


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for full size image
Size Image Description Source
USS Ortolan (AM 45)
Ortolan 44k . Robert Hirst
Ortolan 112k c. 1925
Ortolan possibly at Mare Island. The sub is believed to be the S-35 (SS-140), or S-36 (SS-141)
Ric Hedman TN(SS)
USS Ortolan (ASR 5)
Ortolan 91k U.S. Navy photo -

View the Ortolan (AM-45)
DANFS History entry located on the Haze Gray & Underway Web Site.
Additional Resources and Web Sites of Interest
Naval Minewarfare Association
Association of Minemen
Back To The Main Photo Index Back To the Mine Warfare Ship Photo Index Back to the Minesweeper (AM) Photo Index Back to the Auxiliary Ship Index Back to the Submarine Rescue Ship (ASR) Photo Index

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